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意法半导体的ECMF系列提供了业内首款具有高效ESD保护功能的硅共模滤波器。该系列产品现在采用micro-QFN和CSP封装,实现了超小巧的外形,符合高速串行接口标准的要求,例如USB、MIPI、HDMI或DisplayPort。

ECMF设备的设计是为了避免射频天线在移动电话、笔记本电脑或平板电脑等应用中受到干扰,同时保护集成电路免受破坏性静电放电(ESD)的伤害。因此特别适合于由于高速差分链接(USB或MIPI)与蓝牙或WiFi的结合,饱受RF链路丢失之苦的物联网应用。

新的ECMF04-4HSM10YECMF04-4HSWM10Y是两款汽车级集成共模滤波器。根据ISO10605以及HDMI 1.4, USB 3.1和MIPI 等高速主线EMI/RFI共模噪声进行设计,以抑制ESD浪涌。它们取代了分立的共模扼流圈或LTCC,有助于确保汽车的安全、无噪声通信。

The ECMF™ series features:

  - Ultra-wide differential bandwidth up to 7 GHz
  - High common-mode attenuation from 800 MHz to 5 GHz
  - Compliance with IEC 61000-4-2 level 4 ESD standard
  - Robust ESD protection providing low residual peak voltage
  - Ultra-compact and straightforward flow-through layout
  - Proven compliance with MIPI D-PHY (DSI & CSI) , USB 2.0, USB 3.1 and HDMI 2.0 applications

ST’s new common-mode filter for silent and robust consumer application designs

Designed to filter and protect high-speed links such as USB3.1 Gen 1 and HDMI2.0, ST’s ECMF4-20A42N10 improves the overall performance and robustness of consumer devices, in less than 3 mm² (1.35 x 2.2mm µQFN package). It suppresses the common-mode noise generated from the high-speed lines which creates LTE, GPS and Wi-Fi 2.4 to 5 GHz bands antenna de-sense and clamps ESD surges down to the 10 V remaining voltage.

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